ARMSTRONG WORLD INDS INC NEW

Ticker: AWI CUSIP: 04247X102 Class: EQTY

ValueAct Holdings, L.P.'s Holding History (CIK: 0001418814)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019

Shares 63,910 Value ($000) $5,076 Avg Close $65.06 Range $53.52 - $74.36

Q4 2018

Shares 2,244,910 Value ($000) $130,676 Avg Close $59.47 Range $50.69 - $66.52

Q3 2018

Shares 5,224,910 Value ($000) $363,654 Avg Close $64.18 Range $57.82 - $68.33

Q2 2018

Shares 6,852,612 Value ($000) $433,085 Avg Close $55.42 Range $50.66 - $60.47

Q1 2018

Shares 6,852,612 Value ($000) $385,802 Avg Close $56.41 Range $51.77 - $60.10

Q4 2017

Shares 9,202,612 Value ($000) $557,218 Avg Close $51.25 Range $45.82 - $57.22

Q3 2017

Shares 9,202,612 Value ($000) $471,634 Avg Close $43.80 Range $40.72 - $48.36

Q2 2017

Shares 9,200,000 Value ($000) $423,200 Avg Close $41.71 Range $38.33 - $44.61

Q1 2017

Shares 9,200,000 Value ($000) $423,660 Avg Close $39.39 Range $35.77 - $44.66

Q4 2016

Shares 9,200,000 Value ($000) $384,560 Avg Close $38.10 Range $33.85 - $41.86

Q3 2016

Shares 9,200,000 Value ($000) $380,144 Avg Close $38.95 Range $34.88 - $42.56

Q2 2016

Shares 9,200,000 Value ($000) $360,180 Avg Close $38.14 Range $33.80 - $45.02

Q1 2016

Shares 9,200,000 Value ($000) $445,004 Avg Close $38.17 Range $33.42 - $45.27

Q4 2015

Shares 9,200,000 Value ($000) $420,716 Avg Close $45.23 Range $41.33 - $48.68

Q3 2015

Shares 9,200,000 Value ($000) $439,208 Avg Close $51.16 Range $43.23 - $56.47

Q2 2015

Shares 9,200,000 Value ($000) $490,176 Avg Close $51.87 Range $49.25 - $54.85

Q1 2015

Shares 9,200,000 Value ($000) $528,724 Avg Close $49.83 Range $45.21 - $54.35

Q4 2014

Shares 9,200,000 Value ($000) $470,304 Avg Close $46.09 Range $40.93 - $52.13

Q3 2014

Shares 9,200,000 Value ($000) $515,200 Avg Close $51.87 Range $44.98 - $55.73

Q2 2014

Shares 2,700,000 Value ($000) $155,061 Avg Close $50.40 Range $47.43 - $53.96

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	63,910	$5,076	$65.06	$53.52 - $74.36
Q4 2018	2,244,910	$130,676	$59.47	$50.69 - $66.52
Q3 2018	5,224,910	$363,654	$64.18	$57.82 - $68.33
Q2 2018	6,852,612	$433,085	$55.42	$50.66 - $60.47
Q1 2018	6,852,612	$385,802	$56.41	$51.77 - $60.10
Q4 2017	9,202,612	$557,218	$51.25	$45.82 - $57.22
Q3 2017	9,202,612	$471,634	$43.80	$40.72 - $48.36
Q2 2017	9,200,000	$423,200	$41.71	$38.33 - $44.61
Q1 2017	9,200,000	$423,660	$39.39	$35.77 - $44.66
Q4 2016	9,200,000	$384,560	$38.10	$33.85 - $41.86
Q3 2016	9,200,000	$380,144	$38.95	$34.88 - $42.56
Q2 2016	9,200,000	$360,180	$38.14	$33.80 - $45.02
Q1 2016	9,200,000	$445,004	$38.17	$33.42 - $45.27
Q4 2015	9,200,000	$420,716	$45.23	$41.33 - $48.68
Q3 2015	9,200,000	$439,208	$51.16	$43.23 - $56.47
Q2 2015	9,200,000	$490,176	$51.87	$49.25 - $54.85
Q1 2015	9,200,000	$528,724	$49.83	$45.21 - $54.35
Q4 2014	9,200,000	$470,304	$46.09	$40.93 - $52.13
Q3 2014	9,200,000	$515,200	$51.87	$44.98 - $55.73
Q2 2014	2,700,000	$155,061	$50.40	$47.43 - $53.96